Michigan military exercise preparing thousands of troops for changing battlefield

Tanks fire across training grounds in northern Michigan as thousands of service members practice for a battlefield military leaders say is changing rapidly. More than 9,000 participants from 36 states and territories and five international participants are taking part in Northern Strike 26-2, one of the nation's largest reserve-component military readiness exercises. Northern Strike began in 2012 and is held twice a year. David Kennedy, a public affairs officer with the Michigan National Guard ,